Search a number
-
+
23369808 = 2437116323
BaseRepresentation
bin101100100100…
…1100001010000
31121222022100110
41121021201100
521440313213
62152521320
7402432360
oct131114120
947868313
1023369808
11122120a0
1279b0240
134ac31b7
1431649a0
1520b95c3
hex1649850

23369808 has 80 divisors (see below), whose sum is σ = 75280896. Its totient is φ = 6069120.

The previous prime is 23369807. The next prime is 23369809. The reversal of 23369808 is 80896332.

It is an interprime number because it is at equal distance from previous prime (23369807) and next prime (23369809).

It is a super-2 number, since 2×233698082 = 1092295851913728, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23369803) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 535 + ... + 6857.

Almost surely, 223369808 is an apocalyptic number.

23369808 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23369808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37640448).

23369808 is an abundant number, since it is smaller than the sum of its proper divisors (51911088).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

23369808 is a wasteful number, since it uses less digits than its factorization.

23369808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6352 (or 6346 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 23369808 is about 4834.2329277766. The cubic root of 23369808 is about 285.9027820907.

The spelling of 23369808 in words is "twenty-three million, three hundred sixty-nine thousand, eight hundred eight".

Divisors: 1 2 3 4 6 7 8 11 12 14 16 21 22 24 28 33 42 44 48 56 66 77 84 88 112 132 154 168 176 231 264 308 336 462 528 616 924 1232 1848 3696 6323 12646 18969 25292 37938 44261 50584 69553 75876 88522 101168 132783 139106 151752 177044 208659 265566 278212 303504 354088 417318 486871 531132 556424 708176 834636 973742 1062264 1112848 1460613 1669272 1947484 2124528 2921226 3338544 3894968 5842452 7789936 11684904 23369808